Home / 853,856.12-1,178,345.04-471,907.64

Finding the Fourth Proportional to 853,856.12, 1,178,345.04 and 471,907.64

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Solution

The fourth proportional to 853,856.12, 1,178,345.04 and 471,907.64 is: 651,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,856.12 : 1,178,345.04 = 471,907.64 : x
  2. Step 2: Convert to fraction form
    853,856.12/1,178,345.04 = 471,907.64/x
  3. Step 3: Cross multiply
    853,856.12x = 1,178,345.04 × 471,907.64
  4. Step 4: Simplify right side
    853,856.12x = 556,070,026,932.11
  5. Step 5: Solve for x
    x = 556,070,026,932.11/853,856.12
  6. Step 6: Final answer
    x = 651,245.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.